Lamp



FIG. 1 is a front perspective view of a lamp showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a first side elevational view thereof;

FIG. 5 is a bottom view thereof opposite the view of FIG. 2;

FIG. 6 is a second side elevational view thereof opposite the view of FIG. 4; and,

FIG. 7 is a rear elevational view thereof, opposite the view of FIG. 3.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a lamp, as shown and described. 